Khadidja Belattar

34 Questions 30 Answers 0 Followers

Questions related from Khadidja Belattar

Dear Researchers, What is the best histogram?

I computed the distribution of data according to attribute 1 and attribute 2; so , i would like to compare between these distributions, i plot the histogram and boxplots. What information can i...

01 January 2017 6,274 0 View

Dear researcher, what is difference between grid and cloud computing?

I am trying to understand some concepts related to distributed systems , grid and cloud computing. So I need some good papers to know about these concepts. Can anyone provide some good references...

10 October 2016 8,766 4 View

Dear Researches, i have three images that applied three techniques for contrast enhacement, i would like to know what is the best one?

I applied three techniques for contrast enhacement on the image "less Contrast.jpg", so i obtained three different images : "MSRCR1.jpg, IlluEnhHSV1.jpg and IlluEnhHSVMSRCR1.jpg", I would like to...

09 September 2016 7,703 15 View

Dear Researcher, I would like to understand why the red pixels appear when i transform the original one into HSL color space?

I transformed the attached image (1.jpg) in HSL color space, so i use the rgb2hsl and hsl2rgb Matlab functions. As a result, Red areas in the resulted image (lesion.jpg), so i would like to...

09 September 2016 6,812 0 View

Dear researcher, i would like to understand the image luminance, contrast , brightness and illumination?

Dear researcher, What is difference between the illumination, luminance, contrast and brightness? Is there any relationship between these concepts? Thank You Best Regards Khadidja BELATTAR

07 July 2016 3,867 0 View

Dear Researcher, is it correct to enhance the contrast from illumination component obtained by Retinex algorithm?

Dear Researcher, I would like to understand and enhance the color image contrast. I have somme questions to ask, i will be very appreciated if you answer me. 1. What does mean"high dynamic range"...

07 July 2016 953 4 View

I would like to test the contrast enhancement on test images but the probleme i have not images of poor contrast, so what can i do?

Hello, I would like to test the contrast enhancement method on test dermoscopic skin lesion images but the problem i have not images of poor contrast, so what can i do to create images of bad...

06 June 2016 6,351 10 View

Hello, any one help me please to choose the suitable journal to submit my work?

Hello, I work with medical image retrieval for diagnosis purposes, so i would like to submit my paper to a journal in IGIglobal or Inderscience, but the the problem i do not know what is the...

01 January 2016 9,882 3 View

Hi, could any one help me to use vl_sift,please?

I need to use vl_sift but it did not work for me. i download the "vlfeat-0.9.20-bin.tar.gz ", unpack it , out it in new folder nammed" vlfeatroot" , i run vl_setup with this...

07 July 2015 466 1 View

Hi, could anyone please provide me some CBIR matlab code source?

I need some code sources for CBIR, please could provide me that please? Thank you a lot. Best Regards Khadidja BELATTAR

07 July 2015 2,353 2 View

Hi, how i compute the image retrieval efficiency?

I would like to compute the Content Based Image Retrieval but i don't know how i do that. Thank you. Best Regards Khadidja BELATTAR

06 June 2015 639 1 View

Hello,how can i define a weights of each image feature?

I would like to define weights for each features of the images and i don't know how can i do that? Are there some methods to measure the weights of the image features? Thank you. Khadidja...

04 April 2015 4,816 1 View

Could anyone explain the difference between the relative and absolute image features?

I am working with Content based skin lesin image Retrieval .These images suffers from black frame artifacts.Attached,you will find an image example. I remove the back frame by applying gemotric...

03 March 2015 5,253 7 View

Hi, can I select 90% of the data for training and the remaing (10%) for test set and repeat the split 10 times?How I do that?

I would like to split my data into training and testing sets;90% of data will be for training and 10% to use for test.Then I will repeat the partition 10 times, Total cassification accuracy is...

03 March 2015 4,838 13 View

Hi, could somone correct me the attched code ?

I run the attached Content Based Image Retrieval code in Matlab, but i get error? and the retrieved images are not diplayed? could you correct the code and display the retrieved images. Thank you.

02 February 2015 4,340 7 View

Hi,i need someone advise me about the typical method of resolving a given problem ?

Hi, I am new Ph.D student,i would like to know how can i extract and propose a novel solution from a state of the art (drawbacks and advantages of previous methods) of a given problem? Thank...

02 February 2015 9,004 0 View

Could someone provide me the Matlab source code of the CBIR using the Relevance Feedback?

I need a Matlab source code of the CBIR using Relevance Feedback, any advise?

02 February 2015 3,772 3 View

HI, could someone clarify the principal of the paper " Manifold-Ranking Based Image Retrieval" ?

Hi, I would like to understand well the "Manifold-Ranking Based Image Retrieval" principale espcially using positive and negative samples. Knowing that the images of the database are classified...

01 January 2015 7,656 2 View

How do I save some images selected randomly from text file in MATLAB?

My aim is to generate a training set. So, I have text file including number of images, I select randomly some images and I would like to save them in an other text file. Can someone help me to...

12 December 2014 9,432 3 View

How can I investigate the effect of the poor quality of the captured images on image retrieval?

Hi, I would like to investigate the effect of the preprocessing images on image retrieval tasks. So I'm thinking about preprocessing the images than I compute the accuracy of the...

12 December 2014 1,685 4 View

Could someone help me to use the attached code?

I am interested to use relevance feedback. I would like to use the MATLAB code of image retrieval with relevance feedback. My problem is regarding the dataset, "corel100.mat". How can I get it? I...

11 November 2014 6,544 6 View

Hi, in the classification step trough neural network,we choose randomly the classification threshold or not?

My question is about thresholding in the classification by neural network. this threshold is randomly choosen or i must do analysis of the training and test data to choose the suitable...

10 October 2014 8,169 2 View

Are there any state-of-the-art relevance feedback algorithms in CBIR (Content Based Image Retrieval), as implemented in MATLAB?

I would like to select iteratively positive and negative images according to the image user query, until the the retrieved images are improved. Any MATLAB source code links would be very...

10 October 2014 6,472 1 View

Is anyone familiar with Content Based Image Retrieval with Relevance Feedback?

Relevance Feedback (RF) in CBIR consists to select iteratively the returned (from image retrieval process) positive and negative images according to the image user query, until the the retrieved...

10 October 2014 6,273 3 View

Hi, can anyone help me to understand the image classification?

I would like to classify a set of medical images in two classes (malignant and benign) using a neural network and SVM. How do I define the criterion for neural network classification? Is this is...

10 October 2014 6,115 5 View

Can I use the resulted weights to select the most discriminative features?

I classify a set of images using neural neural network. I am training a simple neural network with 4 inputs (image features), 1 output and 5 hidden layer with 10 nodes in it. My weight matrices...

09 September 2014 6,518 3 View

Can I use neural networks to select the relevant visual features of a given image (feature selection)? If yes, how?

I would like to select the relevant and irrelevant features of an image based on neural network. How do I do that?

07 July 2014 8,826 0 View

Can I use Java or c++ with Matlab? and how ?

I would like to develop diagnosis application on android, but I do not know if it is feasible to realize that with Java / C + + and Matlab.

06 June 2014 632 9 View

How to generate ground truth for Hair detection and how to segment non flat skin?

I want to remove some artifacts from skin lesion images, then compute the hair detection performance; but I don't know howto get the hair ground truth? Can I do the hair tracking manually instead...

06 June 2014 1,918 3 View

How do we evaluate the performance of detection algorithms on a set of images?

Is it correct to use the mean and standard deviation for that?

06 June 2014 448 3 View

What are efficient methods for skin dermatological image preprocessing?

Are there standard methods for skin dermatological image preprocessing? And how to achieve efficient methods with minimum operation?

06 June 2014 242 12 View

Are there efficient methods to extract and compare patterns from two skin lesion images? And how?

I am working on pattern detection of dermatological images and I would like to know how to extract and match them.

06 June 2014 2,655 3 View

Could anyone help me to obtain a dermatological image dataset?

I work on validating a given method and I need dermatological image database.

06 June 2014 6,725 3 View

How do I compute the quality score for dermatological images?

What are the criteria that I should include in a dermatological image's quality score? How do you classify them as good or bad quality?

06 June 2014 6,412 8 View